Interpretation of X-ray photoelectron spectra of carbon-nitride …
2016年11月1日 · The combined information from the C1s and O1s spectra suggest that the main mode of oxidation is formation of carboxylic groups (>C O), corresponding to an O1s peak at ∼531.3 eV (O1) and C1s peak at ∼288 eV (C3).
Carbon nitrides: synthesis and characterization of a new class …
However, the C1s spectrum shows a prominent C–C feature at 284.7 eV, that was assigned by Algara-Siller et al. 23 to adventitious carbon, and two further peaks at 286.7 eV and 288.1 eV with an area ratio of 1: 0.56, assigned to terminal sp-bonded carbon atoms in C N groups and sp 2 carbon (ring) atoms, respectively. 23 The peak at 286.7 eV is ...
Resistive switching characteristics of carbon nitride supported ...
2020年8月31日 · The O1s XPS spectra of the manganese oxysulfide sample is shown in Fig. 3B, inset (III). The XRD, XPS and TEM analysis confirmed the formation manganese oxysulfide nanoparticles on the layered...
Carbon nitride quantum dots: Towards efficient nano-additives in ...
2023年4月1日 · PEG molecules functionalized carbon nitride quantum dots (CNQDs-PEG) with uniform size distribution and well crystal structure was first used as the up-to-date nano-lubricant additives for promoting the lubricating performances of PEG200 lubricating oil.
High-resolution a C1s, b N1s, c Zn2p, and d O1s XPS spectra of …
Supercapacitors with high power density and durability have shown enormous potential for smart electronics. Herein, a novel graphitic carbon nitride (g-C3N4) coated with oxygen vacancies-rich...
X-Ray photoelectron spectroscopy reference data for identification …
2000年11月1日 · The C1s and N1s XPS spectra of melamine were analyzed in order to obtain a more reliable reference data for identification of the C 3 N 4 phase in CN x films. For the carbon atoms having four bonds (double and two single) with nitrogen the measurements gave the C1s binding energy of 287.9 eV.
XPS resolved spectra of C1s and O1s for (a) pure CNT-forest, (b)
The XPS spectra (Fig. 3) of C1s and O1s for the untreated CNT forest (Fig. 3 (a)), pure PMMA (Fig. 3 (b)) and, the coated part of the treated CNT forest show that the PMMA and treated samples...
The survey spectrum (Figure S4a) consists of two strong diffraction peaks (C1S, N1S) and one weak diffraction peak (O1S), indicating that all materials are composed of C, N and trace O elements.
Graphitic Carbon Nitride Prepared by Rapid Recrystallization for ...
2019年10月15日 · A multilayer homojunction structure of carbon nitride material is successfully realized by a strategy of rapid recrystallization. The evolution of homojunction structures is systematically investigated by SEM, XPS, nitrogen adsorption/desorption measurement, and photoluminescence characterization.
Infrared response in photocatalytic polymeric carbon nitride for …
2020年11月25日 · Here, we propose an upconversion process in oxygen-doped polymeric carbon nitride (C 3 N 4) nanosheets, resulting in high photocatalytic activity for hydrogen generation from water splitting...